professional 12 inch proaudio pa woofer speaker

Model No.: LTW300-009A                        

•  102.3dB 1W@1m sensitivity            
•  Ferrite magnet structure
•  75mm (3 inch) voice coil
•  54Hz to 2.5kHz frequency response

A.Specification

1.Nominal diameter:12inch 

2.Power rating:300Watts 

3.Peak power:600Watts 

4.Nominal impedance:8ohm

5.Sensitivity:102.3dB

6.Frequency range:54~2.5K Hz

7.Voice coil diameter:75mm

B.Constructive Characteristic

1.Voice coil material:copper

2.Former material:glass fiber

3.Magnet material:ferrite

4.Dust dome material:solid paper

5.Suspension material:cloth

6.Cone/surround material:paper

7.Chassis material:aluminium

8.Grade of magnet:Y30

9.Voice coil winding:outside

C.Mounting&packing information

1.Overall diameter:314mm

2.Baffle cutout diameter:282mm

3.Magnet diameter:190mm

4.Depth:143mm

5.Net weight:14.9kg

6.Shipping weight:15.5kg

7.Packing size:580*325*167mm

D.Thiele small parameter

1.Fs:54Hz

2.Re:4.8ohm

3.Qes:0.71

4.Qms:12.51

5.Qts:0.67

6.Vas:72.51

7.η0:1.58%

8.Xmas:6

9.Mms:46.8gr

10.Le:0.4mH